private void handle(final ExpungeImageMsg msg) {
final ExpungeImageReply reply = new ExpungeImageReply();
final ImageBackupStorageRefVO ref =
CollectionUtils.find(
self.getBackupStorageRefs(),
new Function<ImageBackupStorageRefVO, ImageBackupStorageRefVO>() {
@Override
public ImageBackupStorageRefVO call(ImageBackupStorageRefVO arg) {
return arg.getBackupStorageUuid().equals(msg.getBackupStorageUuid()) ? arg : null;
}
});
if (ref == null) {
logger.debug(
String.format(
"cannot find reference for the image[uuid:%s] on the backup storage[uuid:%s], assume it's been deleted",
self.getUuid(), msg.getBackupStorageUuid()));
bus.reply(msg, reply);
return;
}
DeleteBitsOnBackupStorageMsg dmsg = new DeleteBitsOnBackupStorageMsg();
dmsg.setBackupStorageUuid(ref.getBackupStorageUuid());
dmsg.setInstallPath(ref.getInstallPath());
bus.makeTargetServiceIdByResourceUuid(
dmsg, BackupStorageConstant.SERVICE_ID, dmsg.getBackupStorageUuid());
bus.send(
dmsg,
new CloudBusCallBack(msg) {
@Override
public void run(MessageReply r) {
if (!r.isSuccess()) {
// TODO
logger.warn(
String.format(
"failed to delete image[uuid:%s, name:%s] from backup storage[uuid:%s] because %s, need to garbage collect it",
self.getUuid(), self.getName(), r.getError(), ref.getBackupStorageUuid()));
reply.setError(r.getError());
} else {
returnBackupStorageCapacity(ref.getBackupStorageUuid(), self.getSize());
dbf.remove(ref);
logger.debug(
String.format(
"successfully expunged the image[uuid: %s, name: %s] on the backup storage[uuid: %s]",
self.getUuid(), self.getName(), ref.getBackupStorageUuid()));
self = dbf.findByUuid(self.getUuid(), ImageVO.class);
if (self.getBackupStorageRefs().isEmpty()) {
logger.debug(
String.format(
"the image[uuid:%s, name:%s] has been expunged on all backup storage, remove it from database",
self.getUuid(), self.getName()));
dbf.remove(self);
}
}
bus.reply(msg, reply);
}
});
}
private void handle(APIRecoverImageMsg msg) {
List<String> toRecoverBsUuids;
if (msg.getBackupStorageUuids() == null || msg.getBackupStorageUuids().isEmpty()) {
toRecoverBsUuids =
CollectionUtils.transformToList(
self.getBackupStorageRefs(),
new Function<String, ImageBackupStorageRefVO>() {
@Override
public String call(ImageBackupStorageRefVO arg) {
return arg.getStatus() == ImageStatus.Deleted ? arg.getBackupStorageUuid() : null;
}
});
if (toRecoverBsUuids.isEmpty()) {
throw new OperationFailureException(
errf.stringToOperationError(
String.format(
"the image[uuid:%s, name:%s] is not deleted on any backup storage",
self.getUuid(), self.getName())));
}
} else {
toRecoverBsUuids = new ArrayList<String>();
for (final String bsUuid : msg.getBackupStorageUuids()) {
ImageBackupStorageRefVO ref =
CollectionUtils.find(
self.getBackupStorageRefs(),
new Function<ImageBackupStorageRefVO, ImageBackupStorageRefVO>() {
@Override
public ImageBackupStorageRefVO call(ImageBackupStorageRefVO arg) {
return bsUuid.equals(arg.getBackupStorageUuid()) ? arg : null;
}
});
if (ref == null) {
throw new OperationFailureException(
errf.stringToInvalidArgumentError(
String.format(
"the image[uuid:%s, name:%s] is not on the backup storage[uuid:%s]",
self.getUuid(), self.getName(), bsUuid)));
}
if (ref.getStatus() != ImageStatus.Deleted) {
throw new OperationFailureException(
errf.stringToInvalidArgumentError(
String.format(
"the image[uuid:%s, name:%s]'s status[%s] is not Deleted on the backup storage[uuid:%s]",
self.getUuid(), self.getName(), ref.getStatus(), bsUuid)));
}
toRecoverBsUuids.add(bsUuid);
}
}
for (ImageBackupStorageRefVO ref : self.getBackupStorageRefs()) {
if (toRecoverBsUuids.contains(ref.getBackupStorageUuid())) {
ref.setStatus(ImageStatus.Ready);
dbf.update(ref);
}
}
self.setStatus(ImageStatus.Ready);
self = dbf.updateAndRefresh(self);
logger.debug(
String.format(
"successfully recovered the image[uuid:%s, name:%s] on the backup storage%s",
self.getUuid(), self.getName(), toRecoverBsUuids));
APIRecoverImageEvent evt = new APIRecoverImageEvent(msg.getId());
evt.setInventory(getSelfInventory());
bus.publish(evt);
}
private void handle(final APIExpungeImageMsg msg) {
List<String> bsUuids = new ArrayList<String>();
if (msg.getBackupStorageUuids() == null || msg.getBackupStorageUuids().isEmpty()) {
bsUuids =
CollectionUtils.transformToList(
self.getBackupStorageRefs(),
new Function<String, ImageBackupStorageRefVO>() {
@Override
public String call(ImageBackupStorageRefVO arg) {
return ImageStatus.Deleted == arg.getStatus() ? arg.getBackupStorageUuid() : null;
}
});
if (bsUuids.isEmpty()) {
throw new OperationFailureException(
errf.stringToOperationError(
String.format(
"the image[uuid:%s, name:%s] is not deleted on any backup storage",
self.getUuid(), self.getName())));
}
} else {
for (final String bsUuid : msg.getBackupStorageUuids()) {
ImageBackupStorageRefVO ref =
CollectionUtils.find(
self.getBackupStorageRefs(),
new Function<ImageBackupStorageRefVO, ImageBackupStorageRefVO>() {
@Override
public ImageBackupStorageRefVO call(ImageBackupStorageRefVO arg) {
return arg.getBackupStorageUuid().equals(bsUuid) ? arg : null;
}
});
if (ref == null) {
throw new OperationFailureException(
errf.stringToInvalidArgumentError(
String.format(
"the image[uuid:%s, name:%s] is not on the backup storage[uuid:%s]",
self.getUuid(), self.getName(), bsUuid)));
}
if (ref.getStatus() != ImageStatus.Deleted) {
throw new OperationFailureException(
errf.stringToInvalidArgumentError(
String.format(
"the image[uuid:%s, name:%s] is not deleted on the backup storage[uuid:%s]",
self.getUuid(), self.getName(), bsUuid)));
}
bsUuids.add(bsUuid);
}
}
List<ExpungeImageMsg> emsgs =
CollectionUtils.transformToList(
bsUuids,
new Function<ExpungeImageMsg, String>() {
@Override
public ExpungeImageMsg call(String arg) {
ExpungeImageMsg emsg = new ExpungeImageMsg();
emsg.setBackupStorageUuid(arg);
emsg.setImageUuid(self.getUuid());
bus.makeTargetServiceIdByResourceUuid(
emsg, ImageConstant.SERVICE_ID, self.getUuid());
return emsg;
}
});
final List<String> finalBsUuids = bsUuids;
final APIExpungeImageEvent evt = new APIExpungeImageEvent(msg.getId());
bus.send(
emsgs,
new CloudBusListCallBack(msg) {
@Override
public void run(List<MessageReply> replies) {
for (MessageReply r : replies) {
if (!r.isSuccess()) {
String bsUuid = finalBsUuids.get(replies.indexOf(r));
// TODO
logger.warn(
String.format(
"failed to expunge the image[uuid:%s, name:%s] on the backup storage[uuid:%s]"
+ ", %s",
self.getUuid(), self.getName(), bsUuid, r.getError()));
}
}
bus.publish(evt);
}
});
}
private void handle(final ImageDeletionMsg msg) {
final ImageDeletionReply reply = new ImageDeletionReply();
if (self.getBackupStorageRefs().isEmpty()) {
// the image is not on any backup storage; mostly likely the image is not in the status of
// Ready, for example
// it's still downloading
// in this case, we directly delete it from the database
dbf.remove(self);
bus.reply(msg, reply);
return;
}
final ImageDeletionPolicy deletionPolicy =
msg.getDeletionPolicy() == null
? deletionPolicyMgr.getDeletionPolicy(self.getUuid())
: ImageDeletionPolicy.valueOf(msg.getDeletionPolicy());
FlowChain chain = FlowChainBuilder.newSimpleFlowChain();
chain.setName(String.format("delete-image-%s", self.getUuid()));
Collection<ImageBackupStorageRefVO> toDelete =
msg.getBackupStorageUuids() == null
? self.getBackupStorageRefs()
: CollectionUtils.transformToList(
self.getBackupStorageRefs(),
new Function<ImageBackupStorageRefVO, ImageBackupStorageRefVO>() {
@Override
public ImageBackupStorageRefVO call(ImageBackupStorageRefVO arg) {
return msg.getBackupStorageUuids().contains(arg.getBackupStorageUuid())
? arg
: null;
}
});
for (final ImageBackupStorageRefVO ref : toDelete) {
chain.then(
new NoRollbackFlow() {
String __name__ =
String.format(
"delete-image-%s-from-backup-storage-%s",
self.getUuid(), ref.getBackupStorageUuid());
@Override
public void run(final FlowTrigger trigger, Map data) {
if (deletionPolicy == ImageDeletionPolicy.Direct) {
DeleteBitsOnBackupStorageMsg dmsg = new DeleteBitsOnBackupStorageMsg();
dmsg.setBackupStorageUuid(ref.getBackupStorageUuid());
dmsg.setInstallPath(ref.getInstallPath());
bus.makeTargetServiceIdByResourceUuid(
dmsg, BackupStorageConstant.SERVICE_ID, dmsg.getBackupStorageUuid());
bus.send(
dmsg,
new CloudBusCallBack(trigger) {
@Override
public void run(MessageReply reply) {
if (!reply.isSuccess()) {
// TODO
logger.warn(
String.format(
"failed to delete image[uuid:%s, name:%s] from backup storage[uuid:%s] because %s, need to garbage collect it",
self.getUuid(),
self.getName(),
reply.getError(),
ref.getBackupStorageUuid()));
} else {
returnBackupStorageCapacity(ref.getBackupStorageUuid(), self.getSize());
dbf.remove(ref);
}
trigger.next();
}
});
} else if (deletionPolicy == ImageDeletionPolicy.DeleteReference) {
dbf.remove(ref);
logger.debug(
String.format(
"delete the image[uuid: %s, name:%s]'s reference of the backup storage[uuid:%s]",
self.getUuid(), self.getName(), ref.getBackupStorageUuid()));
trigger.next();
} else {
ref.setStatus(ImageStatus.Deleted);
dbf.update(ref);
trigger.next();
}
}
});
}
chain
.done(
new FlowDoneHandler(msg) {
@Override
public void handle(Map data) {
self = dbf.reload(self);
if (self.getBackupStorageRefs().isEmpty()) {
dbf.remove(self);
if (deletionPolicy == ImageDeletionPolicy.DeleteReference) {
logger.debug(
String.format(
"successfully directly deleted the image[uuid:%s, name:%s] from the database,"
+ " as the policy is DeleteReference, it's still on the physical backup storage",
self.getUuid(), self.getName()));
} else {
logger.debug(
String.format(
"successfully directly deleted the image[uuid:%s, name:%s]",
self.getUuid(), self.getName()));
}
} else {
int deleteCount = 0;
for (ImageBackupStorageRefVO ref : self.getBackupStorageRefs()) {
if (ref.getStatus() == ImageStatus.Deleted) {
deleteCount++;
}
}
if (deleteCount == self.getBackupStorageRefs().size()) {
self.setStatus(ImageStatus.Deleted);
self = dbf.updateAndRefresh(self);
logger.debug(
String.format(
"successfully deleted the image[uuid:%s, name:%s] with deletion policy[%s]",
self.getUuid(), self.getName(), deletionPolicy));
}
}
bus.reply(msg, reply);
}
})
.error(
new FlowErrorHandler(msg) {
@Override
public void handle(ErrorCode errCode, Map data) {
reply.setError(errCode);
bus.reply(msg, reply);
}
})
.start();
}